
"UPDATE I have realized that the schematic i originally published here had some errors in it due to misinterpretation of the original i used. While the old version sounds fun too, this is closer to the original. Luckily it is easily fixed if you want to try. Here is the old schematic with changes in green"
Why isn't there a current limiting resistor for the LED?
ReplyDeleteDoes it make a crackle sound when the LED burns out or the battery dies?